257928

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 704160

約数和(自身を除く): 446232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 977, 1954, 2931, 3908, 5862, 7816, 10747, 11724, 21494, 23448, 32241, 42988, 64482, 85976, 128964, 257928]

約数ペア:

[(1, 257928), (2, 128964), (3, 85976), (4, 64482), (6, 42988), (8, 32241), (11, 23448), (12, 21494), (22, 11724), (24, 10747), (33, 7816), (44, 5862), (66, 3908), (88, 2931), (132, 1954), (264, 977)]